<template>
    <div class="header">
        <!-- 折叠按钮 -->
        <div class="collapse-btn" @click="collapseChage">
            <i v-if="!collapse" class="el-icon-s-fold"></i>
            <i v-else class="el-icon-s-unfold"></i>
        </div>
        <div class="logo">考试系统</div>
        <div class="header-right">
            <div class="header-user-con">
                <!-- 全屏显示 -->
                <div class="btn-fullscreen" @click="handleFullScreen">
                    <el-tooltip effect="dark" :content="fullscreen ? `取消全屏` : `全屏`" placement="bottom">
                        <i class="el-icon-rank"></i>
                    </el-tooltip>
                </div>
                <!-- 消息中心 -->
                <div class="btn-bell" v-if="false">
                    <el-tooltip effect="dark" :content="message ? `有${message}条未读消息` : `消息中心`" placement="bottom">
                        <router-link to="/tabs">
                            <i class="el-icon-bell"></i>
                        </router-link>
                    </el-tooltip>
                    <span class="btn-bell-badge" v-if="message"></span>
                </div>
                <!-- 用户头像 -->
                <div class="user-avator" v-if="false">
                    <img src="../../assets/img/img.jpg" />
                </div>
                <!-- 用户名下拉菜单 -->
                <el-dropdown class="user-name" trigger="click" @command="handleCommand">
                    <span class="el-dropdown-link">
                        {{ username }}
                        <i class="el-icon-caret-bottom"></i>
                    </span>
                    <el-dropdown-menu slot="dropdown">
                        <el-dropdown-item divided command="showDialog">个人资料</el-dropdown-item>
                        <el-dropdown-item divided command="loginout">退出登录</el-dropdown-item>
                    </el-dropdown-menu>
                </el-dropdown>
            </div>
        </div>
        <!-- 弹窗 -->
        <div class="my-mask" v-if="dialogFormVisible">

            <el-dialog title="更新资料" :visible.sync="dialogFormVisible">
                <div class="my-user-form">
                    <el-form :model="form">
                        <p>用户名：</p>
                        <el-form-item>
                            <el-input v-model="form.user_acc" autocomplete="off" disabled></el-input>
                        </el-form-item>
                        <p>姓名：</p>
                        <el-form-item>
                            <el-input v-model="form.user_name" autocomplete="off" placeholder=""></el-input>
                        </el-form-item>
                        <p>密码</p>
                        <el-form-item>
                            <el-input v-model="form.user_pwd" autocomplete="off" type="password"
                                placeholder="不更改请留空"></el-input>
                        </el-form-item>
                    </el-form>

                    <div slot="footer" class="dialog-footer">
                        <el-button @click="dialogFormVisible = false">取 消</el-button>
                        <el-button type="primary" @click="confirmModify">确 定</el-button>
                    </div>
                </div>
            </el-dialog>
        </div>
    </div>
</template>
<script>
import bus from '../common/bus';
import { modify, getUserInfo, modifyAdmin, getUserInfoAdmin } from '../../api/index'
export default {
    data() {
        return {
            // 折叠侧栏
            collapse: false,
            // 是否全屏
            fullscreen: false,
            // 标题
            name: '',
            message: 2,
            // 是否弹窗“修改资料”
            dialogFormVisible: false,
            form: {
                user_acc: '',
                user_name: '',
                user_pwd: '',
            },
            formLabelWidth: '120px'
        };
    },
    computed: {
        username() {
            // let username = localStorage.getItem('ms_username');
            let username = localStorage.getItem('user_acc');
            return username ? username : this.name;
        }
    },
    methods: {
        // 用户名下拉菜单选择事件
        handleCommand(command) {
            if (command == 'loginout') {
                // localStorage.removeItem('ms_username');
                localStorage.removeItem('user_name');
                localStorage.removeItem('auto_token');
                this.$router.push('/login');
            }
            else
                if (command == 'showDialog') {
                    this.dialogFormVisible = true;
                }
        },
        // 侧边栏折叠
        collapseChage() {
            this.collapse = !this.collapse;
            bus.$emit('collapse', this.collapse);
        },
        // 全屏事件
        handleFullScreen() {
            let element = document.documentElement;
            if (this.fullscreen) {
                if (document.exitFullscreen) {
                    document.exitFullscreen();
                } else if (document.webkitCancelFullScreen) {
                    document.webkitCancelFullScreen();
                } else if (document.mozCancelFullScreen) {
                    document.mozCancelFullScreen();
                } else if (document.msExitFullscreen) {
                    document.msExitFullscreen();
                }
            } else {
                if (element.requestFullscreen) {
                    element.requestFullscreen();
                } else if (element.webkitRequestFullScreen) {
                    element.webkitRequestFullScreen();
                } else if (element.mozRequestFullScreen) {
                    element.mozRequestFullScreen();
                } else if (element.msRequestFullscreen) {
                    // IE11
                    element.msRequestFullscreen();
                }
            }
            this.fullscreen = !this.fullscreen;
        },
        // 关闭弹窗
        handleClose(done) {
            this.$confirm('确认关闭？')
                .then(_ => {
                    done();
                })
                .catch(_ => { });
        },
        // 获取用户信息
        async getUserInfoFunc() {
            let token = localStorage.getItem('auto_token')
            let role = localStorage.getItem('role');
            if (role == 'admin') {
                await getUserInfoAdmin({}, { headers: { token } }).then(content => {
                    if (content.code == 200) {
                        let user = content.data[0];
                        this.form.user_acc = user.admin_acc;
                        this.form.user_name = user.admin_name === null ? '' : user.admin_name;
                        localStorage.setItem('user_name', user.admin_name);
                    }
                })
                    .catch(
                        err => {
                            console.log('2.0', err)
                        }
                    )
            }
            else {
                await getUserInfo({}, { headers: { token } }).then(content => {
                    if (content.code == 200) {
                        let user = content.data[0];
                        this.form.user_acc = user.user_acc;
                        this.form.user_name = user.user_name === null ? '' : user.user_name;
                        localStorage.setItem('user_name', user.user_name);
                    }
                })
                    .catch(
                        err => {
                            console.log('3.0', err)
                        }
                    )
            }

        },
        // 修改资料
        async modifyUserInfo(user_name, user_pwd) {
            let role = localStorage.getItem('role');
            if(role == 'admin') {
                await modifyAdmin({ admin_name:user_name, admin_pwd:user_pwd }).then(
                content => {
                    console.log("x:", content)
                    if (content.code == 200) {
                        localStorage.setItem('user_name', user_name);
                        // 弹窗
                        this.$message({
                            message: content.msg,
                            type: 'success'
                        });

                    }
                    else {
                        // 弹窗
                        this.$message({
                            message: content.msg,
                            type: 'warning'
                        });
                    }
                    let d = setTimeout(() => {
                        this.dialogFormVisible = false;
                        this.form.user_name = "";
                        this.form.user_pwd = "";
                        clearTimeout(d);
                    }, 300)
                }
            )
                .catch(
                    err => {
                        console.log(err)
                    }
                )
            }
            else {
                await modify({ user_name, user_pwd }).then(
                content => {
                    console.log("x:", content)
                    if (content.code == 200) {
                        localStorage.setItem('user_name', user_name);
                        // 弹窗
                        this.$message({
                            message: content.msg,
                            type: 'success'
                        });

                    }
                    else {
                        // 弹窗
                        this.$message({
                            message: content.msg,
                            type: 'warning'
                        });
                    }
                    let d = setTimeout(() => {
                        this.dialogFormVisible = false;
                        this.form.user_name = "";
                        this.form.user_pwd = "";
                        clearTimeout(d);
                    }, 300)
                }
            )
                .catch(
                    err => {
                        console.log(err)
                    }
                )
            }
         
        },
        // 确定修改
        confirmModify() {
            let user_name = this.form.user_name;
            let user_pwd = this.form.user_pwd;
            this.modifyUserInfo(user_name, user_pwd);
            
        }
    },
    mounted() {
        if (document.body.clientWidth < 1500) {
            this.collapseChage();
        }
        this.getUserInfoFunc();
    }
};
</script>
<style>
.my-user-form {
    padding: 0 50px;
}

.my-user-form p {
    padding: 5px 0;
}

.my-user-form .dialog-footer {
    text-align: center;
}

.header {
    position: relative;
    box-sizing: border-box;
    width: 100%;
    height: 70px;
    font-size: 22px;
    color: #fff;
}

.collapse-btn {
    float: left;
    padding: 0 21px;
    cursor: pointer;
    line-height: 70px;
}

.header .logo {
    float: left;
    width: 250px;
    line-height: 70px;
}

.header-right {
    float: right;
    padding-right: 50px;
}

.header-user-con {
    display: flex;
    height: 70px;
    align-items: center;
}

.btn-fullscreen {
    transform: rotate(45deg);
    margin-right: 5px;
    font-size: 24px;
}

.btn-bell,
.btn-fullscreen {
    position: relative;
    width: 30px;
    height: 30px;
    text-align: center;
    border-radius: 15px;
    cursor: pointer;
}

.btn-bell-badge {
    position: absolute;
    right: 0;
    top: -2px;
    width: 8px;
    height: 8px;
    border-radius: 4px;
    background: #f56c6c;
    color: #fff;
}

.btn-bell .el-icon-bell {
    color: #fff;
}

.user-name {
    margin-left: 10px;
}

.user-avator {
    margin-left: 20px;
}

.user-avator img {
    display: block;
    width: 40px;
    height: 40px;
    border-radius: 50%;
}

.el-dropdown-link {
    color: #fff;
    cursor: pointer;
}

.el-dropdown-menu__item {
    text-align: center;
}
</style>
